He's a man of advanced age, he's partially bald, his gaze is almost off. His clothing in the series is a white sweater inside covered by a black robe.
He feels very sorry and sad for being the cause of the accident that occurred in the cafeteria and tries to redeem his sin, taking care of Nanoka's medical expenses.
- "Sho" translates to book, "Zu" means figure, and "Ke" means hair.
- He seems to be in his late 60s.